Working with warnings

CSharp/Applications/AvaloniaLoggingNoDI/App.axaml.cs

@@ -4,6 +4,7 @@ using Avalonia.Data.Core;
 using Avalonia.Data.Core.Plugins;
 using Avalonia.Markup.Xaml;
 using AvaloniaLoggingNoDI.Views;
+using System.Linq;
 
 namespace AvaloniaLoggingNoDI;
 
@@ -18,12 +19,24 @@ public partial class App : Application
     {
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
         {
-            // Line below is needed to remove Avalonia data validation.
-            // Without this line you will get duplicate validations from both Avalonia and CT
-            ExpressionObserver.DataValidators.RemoveAll(x => x is DataAnnotationsValidationPlugin);
-            desktop.MainWindow = new MainWindow();
+            // Avoid duplicate validations from both Avalonia and the CommunityToolkit. 
+            // More info: https://docs.avaloniaui.net/docs/guides/development-guides/data-validation#manage-validationplugins
+            DisableAvaloniaDataAnnotationValidation();
+            desktop.MainWindow = new MainWindow();        
         }
 
         base.OnFrameworkInitializationCompleted();
     }
+    private static void DisableAvaloniaDataAnnotationValidation()
+    {
+        // Get an array of plugins to remove
+        var dataValidationPluginsToRemove =
+            BindingPlugins.DataValidators.OfType<DataAnnotationsValidationPlugin>().ToArray();
+
+        // remove each entry found
+        foreach (var plugin in dataValidationPluginsToRemove)
+        {
+            BindingPlugins.DataValidators.Remove(plugin);
+        }
+    }
 }